The Galapagos Islands has been rated for many years as one of the top ten best sites for diving in the world. All scuba diving lovers have this destination as a must in their diving sites to be explored. The main attraction is Wolf and Darwin which are sites were divers can see an immense diversity of marine life, including schools of hammer head sharks and the biggest creature in the oceans, the whale shark. People can swim and see all this amazing underwater life. There are a few and very selective options for live aboard diving cruises, you have to make sure that you find the best option for you with even a year in advance since the spaces are so limited for diving in Galapagos. Some other options to consider are the land based tours which depart daily from Puerto Ayora in Santa Cruz Island.